OpenModelica cvode from 2026-06-15 08:04:13 to 2026-06-16 10:33:08

Summary

OMC Commits6
Libraries Changed0
Number of Improvements7
Number of Regressions3
Number of Performance Improvements8
Number of Performance Regressions10

OpenModelica Changes

CommitDateAuthorSummary
82a40fbc4b2026-06-15 17:26:09 +0200Adeel AsgharCopy translations to share/qt6/translations (#15844)
444eeb1b332026-06-15 16:15:04 +0200Per ÖstlundImprove handling of dimensions with cyclic dependencies (#15843)
7fa17b3abf2026-06-15 15:06:12 +0200Per ÖstlundImprove flow alias elimination (#15842)
22693d37de2026-06-15 13:20:50 +0200Adeel AsgharUpdate display unit when switching between plot windows (#15841)
e374f159082026-06-15 12:36:37 +0200Adeel AsgharSilence the EGL warnings shown on WSL (#15840)
26bb25a0842026-06-15 11:43:29 +0200Adeel AsgharPrevent window flickering when opening the documentation view (#15832)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
d357aff2026-06-12 13:26:07 +0200AndreasFix OMSimulator submodule update when directory layout changes (#287)
12a01782026-06-06 12:43:09 +0200Adrian Popdrop v1.25 and add v1.27 (#286)

Library Changes

LibraryChange

Models Affected

Buildings_11Buildings.Examples.DualFanDualDuct.ClosedLoop (sim)BackEnd performance 10.35 → 18.40
Buildings_11Buildings.Templates.Components.Validation.Pumps (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:06:40 → 1.17
Buildings_12Buildings.DHC.Examples.Combined.SeriesVariableFlow (sim)Simulate → Compile
Buildings_12Buildings.Templates.Components.Validation.Pumps (sim)Failed → Verify
Buildings_latestBuildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.Geothermal.ZonedBorefields.Validation.SteadyStateBoreholeDynamics (sim)Simulate performance 0:01:04 → 0:01:56
Buildings_latestBuildings.Templates.Components.Validation.Pumps (sim)Failed → Verify
DynawoDynawo.Examples.RVS.TestCases.TestB.TestBSvcLoadReset (sim)Simulate performance 30.89 → 16.60
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackagerBitPack_UDP (sim)Compile → Simulate
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDP (sim)Simulate → Compile
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPWithoutReceiveThread (sim)Compile → Simulate
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_6_M_4 (sim)Simulate performance 10.07 → 17.90
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)Simulate performance 30.43 → 55.34
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_56_M_56 (sim)Simulate performance 10.80 → 5.33
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_80 (sim)Simulate performance 11.56 → 29.23
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaIndividual_N_80_M_80 (sim)BackEnd performance 0:01:32 → 49.67
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_112_M_112 (sim)Failed → Templates
ScalableTestSuiteScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_1000_M_1000 (sim)Simulate performance 9.89 → 17.91
ScalableTestSuiteScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_8000_M_10 (sim)SimCode performance 0:02:57 → 0:01:30
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_1600 (sim)Simulate performance 37.77 → 18.30
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_320_M_5 (sim)Simulate performance 4.41 → 14.60
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_56_M_56 (sim)Simulate performance 13.88 → 5.81
ScalableTestSuite_nooptScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_8000_M_10 (sim)Compile → Failed
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_1600 (sim)Simulate performance 33.25 → 0:01:37
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_1600 (sim)Simulate performance 28.38 → 8.83
ScalableTestSuite_nooptScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_Modelica_N_1280 (sim)Simulate performance 34.71 → 0:01:08
ScalableTestSuite_nooptScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_320 (sim)Simulate performance 5.92 → 10.75